Wallpaper author:
sauro gaudenzi
07 Feb 2026
RCW 75
Rcw 75, it is 7 hours and 40 minutes of integration in HSO with CHI-1-CMOS telescope, RCW 75 is an emission nebula visible in the constellation of Centaurus. RCW 75 is a large H II region located on the Sagittarius Arm at a distance of no less than 2000 parsecs (6520 light years); it appears physically associated with the open cluster Stock 16, from whose more massive stars it is ionized
Dataset from which the image was processed
RCW 75
5 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 200.0083 Dec -62.5478
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................28 Jan 2025 - 31 Jan 2025
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 290 | 2h30m | 31 |
| SII | 310 | 2h40m | 31 |
| OIII | 300 | 2h30m | 30 |